The 28-year-old was arrested Friday morning for the murders of roommates Kaylee Goncalves, 21; Madison Mogen, 21, and Xana Kernodle, 20, as well as Kernodle's boyfriend, Ethan Chapin, 20.Kohberger is a graduate student at Washington State University, located less than 10 miles away from the University of Idaho, Moscow Police Chief James Fry said at a Friday news conference.Jason LaBar, Kohberger's public defender in Pennsylvania, told ABC News on Monday that Bryan and his father Michael were pulled over twice in Indiana while driving from Pullman, Washington, to the Poconos, saying it was "approximately an hour apart, once for speeding, once for tailgating."Washington State University identifies Kohberger as a Ph.D. student in its department of criminal justice and criminology.Monroe County Chief Public Defender Jason LaBar, who is representing the suspect, previously said Kohberger "intends to waive his extradition hearing to expedite his transport to Idaho" and that he "is eager to be exonerated of these charges and looks forward to resolving these matters as promptly as possible.""